List of top Quantitative Aptitude Questions

A solid cubical block of wood has dimensions as shown in the figure (3ft side), and the block is to be cut in half as indicated by the shaded region.
Column A: The total surface area of one of the resulting halves of the block
Column B: 36 square feet
Carol's age, in years, can be expressed by reversing the digits in her father's age, in years. The sum of the digits in each age is 10.
Column A: The positive difference between Carol's age, in years, and her father's age, in years
Column B: 36
Column A: \((1+\sqrt{2})^2\)
Column B: 3
The probability that events E and F will both occur is 0.42. The probability that event E will occur is 0.58.
Column A: The probability that event F will occur
Column B: 0.58
PS = SR
Column A: \(x\)
Column B: \(y\)
The points P(2,0), Q(0,2), R(4,2) and S(2,4) are in the rectangular coordinate system. :
Column A: The distance from P to Q
Column B: The distance from R to S
Column A: a
Column B: b
Column A: \(\frac{24}{23} + \frac{101}{100}\)
Column B: 2
\(x=y=z\)
Column A: \(x^3\)
Column B: \(xyz\)
If \(x = a^3\) and \(y = a^7\), where \(a \neq 0\), which of the following is equivalent to \(a^{13}\)?
Workers at Companies X and Y are paid the same base hourly rate. Workers at company X are paid 1.5 times the base hourly rate for each hour worked per week in excess of the first 37, while workers at Company Y are paid 1.5 times the base hourly rate for each hour worked per week in excess of the first 40. In a given week, how many hours must a Company X worker work in order to receive the same pay as a company Y worker who works 46 hours?
The probabilities that each of two independent experiments will have a successful outcome are \(\frac{8}{15}\) and \(\frac{2}{3}\), respectively. What is the probability that both experiments will have successful outcomes?
If the radius of a circular region were decreased by 20 percent, the area of the circular region would decrease by what percent?
If x is 1, 2, or 3 and y is either 2 or 4, then the product xy can have how many different possible values?
Which of the following sets of numbers has the greatest standard deviation?
When 9 students took a zoology quiz with a possible score of 0 to 10, inclusive, their average (arithmetic mean) score was 7.5. If a tenth student takes the same quiz, what will be the least possible average score on the quiz for all 10 students?
If x, y, and z represent consecutive integers, and x \textless y \textless z, which of the following equals y?
I. \(x+1\)
II. \(\frac{x+z}{2}\)
III. \(\frac{x+y+z}{3}\)
In the figure above, M, N, and P are midpoints of the sides of an equilateral triangle whose perimeter is 18. What is the perimeter of the shaded region?
The median salary for professional group A is \$40,610. The median salary for professional group B is \$40,810. :
Column A: The median salary for groups A and B combined
Column B: \$40,710
\(6 \textless x \textless 7\)
\(y = 8\)
Column A: \(\frac{x}{y}\)
Column B: 0.85
Column A: \(\frac{2 + 3x}{2}\)
Column B: \(1 + 3x\)
The water level in a tank is lowered by 6 inches, then raised by \(8\frac{1}{2}\) inches, and then lowered by 4 inches. If the water level was x inches before the changes in level, which of the following represents the water level, in inches, after the changes?
Column A: \(x\)
Column B: \(y\)
KLNP is a square with a perimeter of 128.
Column A: MQ
Column B: 42
Column A: The number of prime numbers between 70 and 76
Column B: The number of prime numbers between 30 and 36